GERSTEL SCS 2 - A simple switching system for solving a wide range of problems
	GERSTEL DCS 2 -  A versatile switching system for solving complex problems
	GERSTEL MCS 2 - The most advanced column swiching system available

All systems can be easily installed in new or existing GC systems and are completely upgradable. They allow coupling of a high sample capacity column with a high resolution column as well as switching column polarity between the first and the main column.

GERSTEL Cryo Trap System CTS